South Channel Aldridge Ledge Currents

Currents 0.7 mi Little Calf Island, 0.4 n.mi. NW of 0.8 mi Calf Island, 0.4 n.mi. west of 0.9 mi Deer Island Light, 0.4 n.mi. NW of 1.0 mi Commissioners Ledge 1.0 mi Hypocrite Channel 1.0 mi Lovell Island, 1.3nm north of 1.1 mi Lovell Island, 0.4 n.mi. north of 1.4 mi Deer Island, 0.7 nm ESE of 1.4 mi Black Rock Channel 1.5 mi Finn's Ledge Bell, 0.2 n.mi. west of 1.6 mi Deer Island Light, 0.8 n.mi. ESE of 1.6 mi Deer Island Light, 0.7 n.mi. ESE of 1.8 mi Lovell Island, west of 1.8 mi Nixes Mate 1.8 mi Deer Island Light, 0.4 n.mi. east of 1.8 mi Lovell Island Narrows 1.9 mi Winthrop Head, 1.1 n.mi. east of 1.9 mi Gallops Island, The Narrows 1.9 mi Lovell Island, 0.1 n.mi. south of 1.9 mi Georges Island, north of 2.0 mi Georges Island, northeast of 2.0 mi Gallops Island, 0.1 n.mi. southeast of 2.0 mi Boston Light, 0.2 n.mi. south of 2.1 mi Gallops Island, 0.2 n.mi. SSE of 2.1 mi Georges Island, 0.5 n.mi. ESE of 2.1 mi Georges Island, 0.4 n.mi. east of 2.3 mi Nubble Channel 2.3 mi Boston Harbor (Deer Island Light) 2.5 mi Deer Island Light, 0.3 n.mi. SSE of 2.5 mi The Graves, 0.3 n.mi. SSE of 2.5 mi Point Allerton, 0.65 n.mi. NNW of 2.5 mi Deer Island Light, 0.4 n.mi. SSE of 2.6 mi Georges Island, 0.4nm southeast of 2.6 mi Deer Island, southwest of 2.6 mi Georges Island, 0.3 n.mi. SSE of 2.7 mi Georges Island, 0.4 n.mi. SSE of 2.7 mi Point Allerton, 0.4 n.mi. northwest of 2.8 mi Gallops Island, 0.5 n.mi. southwest of 3.0 mi Northeast Grave 3.0 mi Rainsford Island, 0.2 n.mi. NE of 3.1 mi Rainsford I. and Windmill Pt., between 3.2 mi Peddocks Island, 0.3 n.mi. northwest of 3.2 mi Long Island Head, 0.9 n.mi. NW of 3.2 mi Little Brewster Island, 1.5 n.mi. E of 3.2 mi Peddocks Island, 0.2 n.mi. north of 3.3 mi Hull Gut 3.3 mi Rainsford Island, 0.4 n.mi. SE of 3.3 mi Deer Island Flats 3.3 mi Deer Island Light, 1.0 n.mi. WSW of 3.6 mi Bass Point, 1.2 n.mi. southeast of 3.7 mi Spectacle I. and Long I., between 3.7 mi Long I. and Rainsford I., between 3.9 mi Spectacle Island, 0.4nm north of 3.9 mi Snake Island, southwest of 4.0 mi Windmill Point, 0.7 n.mi. SSE of 4.2 mi Pea Island, 0.4 n.mi. southeast of 4.3 mi West Head, Long I., 0.4 n.mi. south of 4.3 mi Thieves Ledge 4.4 mi Spectacle Island, 0.2 n.mi. south of 4.4 mi Sunken Ledge, 0.2 n.mi. northwest of 4.5 mi Nahant, 1 n.mi. SE of East Point 4.5 mi Moon Head, 0.4 n.mi. east of 4.5 mi Thompson Island, 0.7 n.mi. NNE of 4.5 mi Spectacle I. and Thompson I., between 4.6 mi West Head, Peddocks I., 0.1 n.mi. W of 4.6 mi Boston Channel Light No.5 4.7 mi The Piglets, 0.4 n.mi. northest of 4.7 mi Fort Independence, 0.3 n.mi. east of 4.8 mi Bumkin Island, 0.1 n.mi. west of 4.8 mi Bumkin Island, 0.4 n.mi. west of 4.8 mi Sheep Island, 0.3 n.mi. west of 4.9 mi West Head, 0.2 n.mi. southwest of 4.9 mi Pig Rock, north of 4.9 mi Fort Independence, 0.1nm north of 5.0 mi Nut Island, 0.4 n.mi. NNE of 5.0 mi Pig Rock, northwest of 5.0 mi Nahant, 0.4 n.mi. east of East Point 5.1 mi Peddocks Island, west of 5.1 mi Nut Island, 0.2 n.mi. NNE of 5.3 mi Moon Head, 0.9 n.mi. southeast of 5.4 mi Weir River entrance 5.6 mi City Point, 0.8 n.mi. SSE of 5.7 mi Grape Island 5.8 mi Ted William Tunnel 5.8 mi Crow Point, 0.2 n.mi. north of 5.9 mi Little Nahant Cupola, 0.6 n.mi. west of 5.9 mi Grape Island and Lower Neck, between 6.0 mi South Boston, Pier 4, 0.2 n.mi. NNE of 6.2 mi Point of Pines, 0.5 n.mi. south of 6.2 mi Nahant, 1.8 n.mi. NE of East Point 6.4 mi Chelsea River, below bascule bridge 6.4 mi Jacknife Ledge 6.5 mi Squantum Point, 0.8 n.mi. northeast of 6.6 mi Sand Point, Black Marsh Channel 6.7 mi Stodders Neck, Weymouth Back River 6.8 mi Point of Pines, 0.1 n.mi. northeast of 6.9 mi Gull Point, 0.4 n.mi. ESE of 7.0 mi Squantum Point, 0.4 n.mi. NNE of 7.0 mi Chelsea River, west of bascule bridge 7.1 mi Charlestown Pier 1 7.1 mi East Boston, Pier 10, southeast of 7.4 mi Neponset River 7.4 mi Mystic River Bridge, northwest of 7.4 mi Weymouth Harbor Entrance 7.5 mi Lynn Harbor 7.5 mi Mystic River Bridge, 0.1 n.mi. west of 7.5 mi Philip Head, Town River Bay 7.6 mi Germantown Point 11.5 mi Marblehead Channel 12.2 mi Fort Pickering, 0.2nm south of Tides 1.8 mi Boston Light, Boston Harbor 2.4 mi Deer Island (South End), Boston Harbor 3.2 mi Hull 4.9 mi Moon Head, Boston Harbor 5.2 mi Nut Island, Quincy Bay 6.1 mi Nantasket Beach, Weir River 6.2 mi Crow Point, Hingham Harbor entrance 6.2 mi Chelsea St. Bridge, Chelsea River, Boston Harbor 7.0 mi Boston, Boston Harbor 7.3 mi Hingham 7.4 mi Charlestown, Charles River entrance, Boston Harbor 7.5 mi Shipyard Point, Weymouth Fore River 7.7 mi Lynn, Lynn Harbor 7.9 mi Neponset, Neponset River, Boston Harbor 8.9 mi Amelia Earhart Dam, Mystic River, Boston Harbor 9.6 mi Cohasset Harbor (White Head) 12.2 mi Salem, Salem Harbor